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Contains:  IC 2157, IC 443, IC 444, M 35, NGC 2158, NGC 2168, Part of the constellation Gemini (Gem), The star 3Gem, The star 5Gem, The star Algenib (γPeg), The star Propus (ηGem), The star μGem
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IC443 & M35 in Gemini, 



    
        

            Christophe Perroud
IC443 & M35 in Gemini
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IC443 & M35 in Gemini

Technical card


Dates:Feb. 28, 2019

Frames:Astronomik CLS-CCD Canon EOS Clip: 20x120" ISO800

Integration: 0.7 hours

Darks: ~15

Avg. Moon age: 24.01 days

Avg. Moon phase: 30.67%

Bortle Dark-Sky Scale: 5.00

Temperature: 5.00


Basic astrometry details

Astrometry.net job: 2583846

RA center: 6h 15' 47"

DEC center: +23° 26' 9"

Pixel scale: 3.363 arcsec/pixel

Orientation: 308.460 degrees

Field radius: 2.983 degrees


Resolution: 5315x3543

Locations: Domicile, Yverdon-les-Bains, VD, Switzerland

Data source: Backyard

Description

A quick attempt at this beautiful area in south-western part of Gemini. Only 40 minutes integration time. Background looks still noisy but I'm quite satisfied with the final result.
Interesting to see the difference between the two open clusters, populated with less than 100 recent bluish stars for M 35 and more than 100 old yellow stars for NGC 2158. Distance plays also a role, as M35 lies only 2'300 l.y. away, while NGC 2158 is much further away, about 16'500 l.y.
The Jellyfish Nebula, IC 443, stands out nicely above star field, showing some interesting cloud structures inside. Other fainter nebulosity, like IC 444, are much more difficult to light up due to the lack of integration.
Stacking under DSS, post processing under PI and final touch-up in Photoshop, as usual.
Clear skies to all!

Comments

Author

astroCH
Christophe Perroud
License: None (All rights reserved)
2574
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Revisions

  • Final
    IC443 & M35 in Gemini, 



    
        

            Christophe Perroud
    Original
  • IC443 & M35 in Gemini, 



    
        

            Christophe Perroud
    B

B

Description: Annotated version made in PI.

Sky plot

Sky plot

Histogram

IC443 & M35 in Gemini, 



    
        

            Christophe Perroud